Cellulosic Material Patents (Class 106/136.1)
  • Patent number: 10442130
    Abstract: The invention relates to a method for producing a fiber composite molded part. The method includes the steps of i) applying a gelatine-containing matrix material onto a fiber material, ii) deforming the fiber material provided with matrix material, and iii) curing the fiber material provided with matrix material.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: October 15, 2019
    Assignees: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, GELITA AG
    Inventors: Siegfried Wimmer, Matthias Reihmann
  • Publication number: 20140289986
    Abstract: A cotton bud with a rod-like grip body and with a bud body that is arranged at least at one free end of the grip body. The rod-like grip body is a biologically degradable extrusion body, and includes natural fibres embedded into a material matrix.
    Type: Application
    Filed: June 20, 2012
    Publication date: October 2, 2014
    Applicant: ROWEG HOLDING AG
    Inventors: Beat Hani, Christian Rytka, Guy Petignat
  • Publication number: 20140083327
    Abstract: ‘Green’ composites are fabricated using resins, such as soy-based resins, and reinforced with crystalline high strength bacterial cellulose (BC) fibers. Bacterial cellulose is produced by providing a bacterial cellulose-producing bacterium such as Acetobacter xylinum; providing an inexpensive bacteria nutritional medium; culturing the bacterium in the bacteria nutritional medium under conditions to produce bacterial cellulose; and isolating bacterial cellulose produced by cultured bacteria from the bacteria nutritional medium. The bacteria nutritional medium comprises an inexpensive carbon source that is a plant-based seed extract. The seed extract is derived from a plant-based seed comprising soluble sugars.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 27, 2014
    Applicant: Cornell University
    Inventors: Anil N. Netravali, Kaiyan Qiu
  • Publication number: 20130313487
    Abstract: A plastic molding composition includes a raw powder, gelatin, a polar solvent, and a plasticizer. The raw powder contains at least one of a ceramic particle and a metal particle. The plasticizer reduces the minimum amount of the solvent necessary to give flowability to the composition. The plasticizer is a water-soluble or water-dispersible compound. The plasticizer has a ratio of hydroxyl number to carbon number per molecule in a range from 8% to 100%. The plasticizer is in solid or liquid form. When the plasticizer is in liquid form, the plasticizer has volatility equal to or lower than volatility of water.
    Type: Application
    Filed: May 21, 2013
    Publication date: November 28, 2013
    Applicant: DENSO CORPORATION
    Inventors: Yasuki Aoi, Mayumi Ozeki
  • Publication number: 20130220173
    Abstract: A bioplastic composition may contain certain biodegradable and renewable components. In some examples, the bioplastic composition includes at least one kind of aquatic macrophyte biomass, which may contain a native composition of protein and carbohydrates, in a blend with one or more types of biodegradable or durable thermoplastic polymers. The aquatic macrophyte composition may provide a balance of both polymeric and reinforcing properties to the blended bioplastic not typically exhibited by terrestrial feedstock such as soy meal or corn starch. Such a bioplastic composition may be formed into molded articles using extrusion, injection molding, compression molding, or the like.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 29, 2013
    Applicant: ALGIX, LLC
    Inventors: Suraj Sharma, Ryan W. Hunt, Mark Ashton Zeller
  • Publication number: 20130079421
    Abstract: Hybrid hydrogels formed of a plurality of peptides that are capable of self-assembling into a hydrogel in an aqueous solution and a biocompatible polymer that is characterized by high swelling capability, high elasticity and low mechanical strength are disclosed, with exemplary hybrid hydrogels being formed of a plurality of aromatic dipeptides and hyaluronic acid. The hybrid hydrogels are characterized by controllable mechanical and biological properties which can be adjusted by controlling the concentration ratio of the peptides and the polymer, and which average the mechanical and biological properties of the peptides and the polymer. Processes of preparing the hydrogels and uses thereof in pharmaceutical, cosmetic or cosmeceutic applications such as tissue engineering and/or regeneration are further disclosed.
    Type: Application
    Filed: June 2, 2011
    Publication date: March 28, 2013
    Applicant: Ramot at Tel-Aviv University Ltd.
    Inventor: Moran Aviv
  • Patent number: 8394305
    Abstract: Disclosed herein is a thermoplastic cellulosic composition for preparing a cellulose-based masterbatch and/or a cellulose-based fiber with a networked structure. In one example, the thermoplastic cellulosic composition includes an esterified cellulose present in a range of about 80 wt % to about 95 wt %, polyethylene glycol present in a range of about 4.5 wt % to about 12 wt %, a tri-functional cross-linking agent present in a range of about 0.01 wt % to about 3 wt %, an initiator present in a range of about 0.01 wt % to about 0.15 wt %, and a dispersing agent present in a range of about 0.01 wt % to about 5 wt %.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: March 12, 2013
    Assignee: Taiwan Textile Research Institute
    Inventors: Su-Chen Chen, Sheng-Jen Lin, Nai-Yun Liang, Chao-Huei Liu, Wei-Peng Lin
  • Publication number: 20120318169
    Abstract: The invention relates to a molded cellulose body which includes a functional substance having low impregnation efficiency, to the use thereof and to a method for introducing functional substances of low impregnation efficiency into a molded cellulose body during its production and after the molding step.
    Type: Application
    Filed: December 15, 2010
    Publication date: December 20, 2012
    Applicant: Lenzing Aktiegesellschaft
    Inventors: Kurt Christian Schuster, Mohammad Abu Rous, Karl Michael Hainbucher, Doris Richardt, Sigrid Redlinger, Heinrich Firgo, Gert Kroner
  • Publication number: 20120129228
    Abstract: ‘Green’ composites are fabricated using resins, such as soy-based resins, and reinforced with crystalline high strength bacterial cellulose (BC) fibers. Bacterial cellulose is produced by providing a bacterial cellulose-producing bacterium such as Acetobacter xylinum; providing an inexpensive bacteria nutritional medium; culturing the bacterium in the bacteria nutritional medium under conditions to produce bacterial cellulose; and isolating bacterial cellulose produced by cultured bacteria from the bacteria nutritional medium. The bacteria nutritional medium comprises an inexpensive carbon source that is a plant-based seed extract. The seed extract is derived from a plant-based seed comprising soluble sugars.
    Type: Application
    Filed: May 17, 2010
    Publication date: May 24, 2012
    Inventors: Anil N. Netravali, Kaiyan Qiu
  • Publication number: 20110190402
    Abstract: The invention is directed a synthetic wood composite comprising biomimetic macromolecules and methods for the preparation thereof.
    Type: Application
    Filed: August 3, 2010
    Publication date: August 4, 2011
    Inventors: Robert J. Linhardt, Jonathan S. Dordick, Trevor J. Simmons, Minoru Miyauchi, Sang-Hyun Lee
  • Patent number: 7083703
    Abstract: A filler comprising cellulose or lignocellulose fibrils on which light-scattering material particles have been deposited, and a process for the manufacture thereof. In the filler according to the invention, an alkyl derivative of cellulose, such as CMC, has been sorbed to the fibrils. Such a filler can be prepared from a source material containing cellulose or lignocellulose fibrils by first forming a fibril suspension, into which there are fed source materials forming an inorganic or organic salt that, when precipitating, forms a light-scattering pigment. The filler according to the invention has very good strength properties; in particular, good bond strength is achieved by means of it. The concentration of mineral pigment in paper can be increased and, furthermore, the grammage of paper can be lowered without the other important properties of the paper deteriorating.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: August 1, 2006
    Assignee: M-real Oyj
    Inventors: Outi Aho, Petri Silenius, Maija Pitkänen, Soili Hietanen
  • Patent number: 7026470
    Abstract: A method for improving holdout on a coated, cellulosic substrate, such as a man-made fiber board. The process comprises the steps of applying an aqueous carboxymethyl cellulose acetate butyrate size composition to a man-made fiber substrate, forming a sized substrate. The sized substrate is then dried. Next, an aqueous coating composition is applied to form a coated, sized substrate. The coated, sized substrate is then dried. According to the invention, the aqueous carboxymethyl cellulose acetate butyrate size composition used in the process comprises carboxymethyl cellulose acetate butyrate, water, and an organic solvent. The invention also relates to a sized, man-made fiber substrate comprising a man-made fiber substrate and a carboxymethyl cellulose acetate butyrate size. The carboxymethyl cellulose acetate butyrate may be either an internal sizing agent, or an external sizing agent.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: April 11, 2006
    Assignee: Eastman Chemical Corporation
    Inventor: Ronald Obie
  • Publication number: 20040129173
    Abstract: A composition is provided consisting of an aqueous solution comprising at least one natural polysaccharide or a derivative thereof and at least one polymeric polyamino compound, the composition being capable of forming a film when applied onto a substrate. The invention also involves a method for temporary protection of a substrate surface from environmental influence using such composition.
    Type: Application
    Filed: March 1, 2004
    Publication date: July 8, 2004
    Inventor: Sigfrid Svensson
  • Publication number: 20040005363
    Abstract: A biodegradable biopolymer material consists of silk fibroin from domesticated silkworm; silk fibroin from wild silkworm; a composite material comprising silk fibroin from domesticated silkworm and silk fibroin from wild silkworm; or a composite material comprising either silk fibroin from domesticated silkworm or silk fibroin from wild silkworm and at least one secondary substance selected from the group consisting of cellulose, chitin, chitosan, chitosan derivatives, keratin from wool and polyvinyl alcohol. The material may be prepared by, for instance, casting an aqueous solution of domesticated silkworm silk fibroin on the surface of a substrate and then cast drying the applied solution. The biodegradable biopolymer material is effectively used as, for instance, a metal ion-adsorbing material, a sustained release substrate for a useful substance such as a medicine, a biological cell-growth substrate and a biodegradable water-absorbing material.
    Type: Application
    Filed: June 11, 2003
    Publication date: January 8, 2004
    Applicant: NATIONAL INSTITUTE OF AGROBIOLOGICAL SCIENCES
    Inventors: Masuhiro Tsukada, Takayuki Arai
  • Patent number: 6524653
    Abstract: A cellulose-based fire retardant composition is made by (1) adding cellulose to water, thereby forming a solution; (2) adding liquid ammonia to the solution; and (3) subsequently adding solid diammonium phosphate to the solution, thereby forming a viscous cellulose-based fire retardant liquid.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: February 25, 2003
    Assignee: NiPoNi, LLC
    Inventor: William H. Jones